Careful to not bring the weights back to far and hurt something or hit yourself in the head.
Tip: Weight lifting gloves are good to help you get a good grip on weights that are metal weights without a grip, or to prevent the weights from slipping if your hands get to sweaty.

Here is some motivation to not neglect your triceps. Although most people flex their biceps to show off their arms it is actually the triceps that make up most of the arm size. So, for stronger and larger arms exercise both the biceps and triceps.